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Planning application

124 Highbury Grove Portsmouth PO6 2RT

Awaiting decision Portsmouth 26/00399/HOU Householder Planning Application

Works: Extension Loft or dormer Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Construction of single storey rear extension with raised decking area and alterations to roof include hip to gable buildup and dormer windows to rear roofslopes

As published by the council, reference 26/00399/HOU

Application record

Reference
26/00399/HOU
Type
Householder Planning Application
Status
Awaiting decision
Received
27 Mar 2026
Validated
30 Mar 2026
Ward
Cosham
Decision by
Delegated
Postcode
PO6 2RT

Site history

Applications at this address on the Portsmouth register

This site has had 2 applications since 2025: 0 approved, 1 refused.

  • 25/01321/HOU Refused

    124 Highbury Grove Portsmouth PO6 2RT

    Construction of single storey rear extension with raised decking area and alterations to roof including gable build-up and rear dormer

    Decided 6 Jan 2026 Householder

Timeline

Dates from the published record

  1. 27 Mar 2026

    Received by Portsmouth

  2. 30 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 25 May 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Portsmouth took a median of 56 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Thorns Young Ltd Agent, registered in Hampshire

Active · incorporated 2001 · Hampshire

138 applications on PlanIndex · across 6 councils · 90% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

Plans, drawings, consultee responses and the officer's report

7 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What happens while it is decided

This application is with Portsmouth for determination, against a statutory target of eight weeks. Over the last year Portsmouth decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 124 Highbury Grove Portsmouth PO6 2RT

    25/01321/HOU Submitted 10 Nov 2025 0m away

    Construction of single storey rear extension with raised decking area and alterations to roof including gable build-up and rear dormer

    Refused Householder Extension Loft or dormer 6 docs
    Small domestic

  • 54 Chatsworth Avenue Portsmouth PO6 2UQ

    26/00081/HOU Submitted 27 Jan 2026 273m away

    Construction of single storey rear extension (following removal of existing)

    Refused Householder Extension 10 docs
    Small domestic

  • 235 Chatsworth Avenue Portsmouth PO6 2UL

    25/01099/HOU Submitted 19 Sep 2025 341m away

    Construction of single storey rear extension (following removal of existing)

    Granted Householder Extension 4 docs
    Small domestic

  • 5 The Old Road Portsmouth PO6 2SP

    26/00447/CPL Submitted 13 Apr 2026 422m away

    92% historically approved · decision due ~9 Jun

    Application for Certificate of Lawful Development for the proposed alterations to roof to include hip to gable buildup, construction of flat-roof dormer windows to rear roofslopes and roof-lights to front roofslopes

    Awaiting decision Lawful development Loft or dormer Windows or glazing

  • 48 Lonsdale Avenue Portsmouth PO6 2PX

    25/01107/HOU Submitted 23 Sep 2025 445m away

    Construction of single storey rear extension

    Granted Householder Extension 5 docs
    Small domestic

  • 2 Donaldson Road Portsmouth PO6 2SZ

    25/00038/GPDC Submitted 27 Aug 2025 470m away

    Construction of single storey rear extension, extending 4m beyond the rear wall, with a height of 2.8m to the eaves and maximum height of 3.1m

    Granted Prior approval Extension 2 docs
    Small domestic

In Portsmouth

  • 25/01493/HOU Granted

    77 Victoria Road South Southsea PO5 2BU

    Construction of single storey rear and side extension with terrace at first floor (following removal of existing extension and garage), alterations to fenestration and installation of heat pump

    19 Dec 2025 Householder
  • 26/00497/HOU Awaiting decision

    46 Carmarthen Avenue Portsmouth PO6 2AQ

    Construction of two storey rear extension (following removal of existing) and enlargement of front porch

    17 Apr 2026 Householder
  • 26/00095/HOU Refused

    96 Portsdown Road Portsmouth PO6 4QH

    Alterations to roof to include hip to gable buildup and construction of dormer windows to front and rear roofslopes

    29 Jan 2026 Householder
  • 25/01455/HOU Granted

    77 Station Road Portsmouth PO6 1PJ

    Alterations to roof to include hip to gable buildup, and dormer window to rear roofslopes

    11 Dec 2025 Householder
  • 26/00115/HOU Granted

    1 Court Mead Portsmouth PO6 2LT

    Construction of rear and side single storey extension

    2 Feb 2026 Householder